On 08 Dec 2009, at 18:55, Andrew Morgan wrote: > How many mailboxes are returned by these LIST operations? We run > Horde with Cyrus here, but we have no shared mailboxes and no > problems with high load on the Cyrus frontends.
How do you have IMP configured? As I recall, at least in older versions, with default configuration, IMP would refresh the folder list on each page draw! Also, LIST can be very expensive, depending on a number of factors, e.g., how ACLs are normalized. :wes ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
